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Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; Joan Bannister studying cold induced vasodilation in 35 degrees Fahrenheit (0 °C) water. Vasodilation is where blood vessels in the body become wider following the relaxation of the smooth muscle in the vessel wall. This will reduce blood pressure - since there is more room for the blood. MODEL RELEASED [1988]

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Hypothermia
Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; Joan Bannister studying cold induced vasodilation in 35 degrees Fahrenheit (0 °C) water. Vasodilation is where blood vessels in the body become wider following the relaxation of the smooth muscle in the vessel wall. This will reduce blood pressure - since there is more room for the blood. MODEL RELEASED [1988]
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